#include<stdio.h>

int add(int x,int y)
{
    return x+y;
}

int main()
{


    int i = 11;
    int j = 20;
    int tmp = 0;
    tmp = add(i,j);
    printf("两个数之和是：%d\n",tmp);

    printf("xxxxxxxxxxxxxxxxxxx\n");
    printf("xxxxxxxxxxxxxxxxxxx\n");
    printf("xxxxxxxxxxxxxxxxxxx\n");
    printf("xxxxxxxxxxxxxxxxxxx\n");
    printf("xxxxxxxxxxxxxxxxxxx\n");
    printf("xxxxxxxxxxxxxxxxxxx\n");
    printf("xxxxxxxxxxxxxxxxxxx\n");
    printf("xxxxxxxxxxxxxxxxxxx\n");
    return 0;
}
